JP2909156B2 - Constant velocity joint - Google Patents
Constant velocity jointInfo
- Publication number
- JP2909156B2 JP2909156B2 JP2173957A JP17395790A JP2909156B2 JP 2909156 B2 JP2909156 B2 JP 2909156B2 JP 2173957 A JP2173957 A JP 2173957A JP 17395790 A JP17395790 A JP 17395790A JP 2909156 B2 JP2909156 B2 JP 2909156B2
- Authority
- JP
- Japan
- Prior art keywords
- groove
- guide grooves
- joint member
- guide
- outer joint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
- F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
- F16D3/229—Prismatic coupling parts having each groove centre-line lying on planes parallel to the axis of the respective coupling part
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
- F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
- F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
- F16D3/224—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines in each coupling part lying on a sphere
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
- F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
- F16D3/226—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines in each coupling part lying on a cylinder co-axial with the respective coupling part
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
- F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
- F16D3/226—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines in each coupling part lying on a cylinder co-axial with the respective coupling part
- F16D3/2265—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines in each coupling part lying on a cylinder co-axial with the respective coupling part the joints being non-telescopic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
- F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
- F16D3/226—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines in each coupling part lying on a cylinder co-axial with the respective coupling part
- F16D3/227—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines in each coupling part lying on a cylinder co-axial with the respective coupling part the joints being telescopic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
- F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
- F16D2003/22309—Details of grooves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2250/00—Manufacturing; Assembly
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S464/00—Rotary shafts, gudgeons, housings, and flexible couplings for rotary shafts
- Y10S464/904—Homokinetic coupling
- Y10S464/906—Torque transmitted via radially spaced balls
Description
【発明の詳細な説明】 ［産業上の利用分野］ 本発明は、自動車等の駆動力伝達軸部に用いられる等
速ジョイントに関し、詳しくは駆動軸と被動軸との等速
性を維持しつつ両軸の角度変位や軸方向の相対変位を許
容し得るクロスグルーブ型等速ジョイントに関する。Description: BACKGROUND OF THE INVENTION The present invention relates to a constant velocity joint used for a driving force transmission shaft of an automobile or the like, and more particularly, to a constant velocity joint between a driving shaft and a driven shaft. The present invention relates to a cross-groove type constant velocity joint capable of permitting angular displacement of both shafts and relative displacement in an axial direction.
［従来の技術］ かかる等速ジョイントとして、第８図に示すようなも
のが知られている。この等速ジョイントは、円筒状で、
内周に周方向に間隔を隔てかつ交互に周方向反対側へ等
角度傾斜して軸方向に一側端より他端側に伸びる複数の
第１案内溝15cをもつ外方継手部材1cと、外方継手部材1
cの内側に同軸的に配設され外周の各第１案内溝15cと対
応する位置に各第１案内溝15cに対して周方向反対側へ
等角度傾斜して一側端より他端側に伸びる複数の第２案
内溝24cをもつ内方継手部材2cと、第１及び第２案内溝1
5c、24c間に転動可能に配設されトルクを伝達する複数
のボール3cと、各ボール3cをボール保持窓45cで保持し
て内外方両継手部材1c、2c間に介装されたケージ4cとか
ら構成されている。[Prior Art] As such a constant velocity joint, the one shown in FIG. 8 is known. This constant velocity joint is cylindrical,
An outer joint member 1c having a plurality of first guide grooves 15c extending in the axial direction from one side end to the other end side inclining at an equal angle to the opposite side in the circumferential direction at intervals in the circumferential direction and alternately in the circumferential direction; Outer joint member 1
The first guide groove 15c is disposed coaxially on the inner side of c and at the position corresponding to the first guide groove 15c on the outer periphery. An inner joint member 2c having a plurality of extending second guide grooves 24c;
A plurality of balls 3c that are rotatably disposed between 5c and 24c and transmit torque, and a cage 4c that is interposed between the inner and outer joint members 1c and 2c while holding each ball 3c with a ball holding window 45c. It is composed of
ここでの第１及び第２案内溝15c、24cは、ミーリング
カッターで溝に沿って切削することにより直線状に形成
され、その切削面には回転するペンシル型の軸状の砥石
により研磨加工が施されている。The first and second guide grooves 15c and 24c here are formed linearly by cutting along the grooves with a milling cutter, and the cutting surface is polished by a rotating pencil-type shaft-like grindstone. It has been subjected.
［発明が解決しようとする課題］ ところで、上記第１及び第２案内溝15c、24cを形成す
る際には、ボール3cのピッチダイヤ、隣接溝ピッチ誤
差、隔溝ピッチ誤差、溝半径、ボール3cとの接触角等を
基準として高い加工精度が要求される。[Problems to be Solved by the Invention] By the way, when forming the first and second guide grooves 15c and 24c, the pitch diagram of the ball 3c, the pitch error of the adjacent groove, the pitch error of the separation groove, the groove radius, the ball 3c High processing accuracy is required on the basis of the contact angle and the like.
しかし上記等速ジョイントにあっては、第９図及び第
10図に示すように、各第１及び第２案内溝15c、24cが周
方向に傾斜して形成されているため、各第１及び第２案
内溝の両側の溝側端部17c、26cは溝中心線L3、L4に対し
て各々非対称となっている。このため、研磨加工を施す
際に、砥石が溝側端部17c、26cを通過するときは片当た
りの状態となり、接触圧の反力方向が砥石の進行に伴っ
て変化することにより、砥石の進行軌跡が溝中心線L3、
L4からずれるという不具合が生じやすい。その結果、案
内溝全域での加工精度の確保が困難となり、ボール3cの
転動に悪影響を与える虞がある。However, in the case of the above constant velocity joint, FIGS.
As shown in FIG. 10, since the first and second guide grooves 15c and 24c are formed to be inclined in the circumferential direction, the groove side ends 17c and 26c on both sides of each of the first and second guide grooves are formed. The grooves are asymmetric with respect to the groove center lines L 3 and L 4 . For this reason, when performing the grinding process, when the grindstone passes through the groove side ends 17c and 26c, it is a one-sided state, and the reaction force direction of the contact pressure changes with the progress of the grindstone. The traveling locus is the groove center line L 3 ,
Likely to cause a defect that deviates from the L 4. As a result, it becomes difficult to secure the processing accuracy in the entire guide groove, and there is a possibility that the rolling of the ball 3c is adversely affected.
本発明は上記実情に鑑み案出されたものであり、その
技術課題は、案内溝を形成する際の高い加工精度を確保
し得る等速ジョイントを提供することにある。The present invention has been devised in view of the above circumstances, and a technical problem thereof is to provide a constant velocity joint capable of ensuring high processing accuracy when forming a guide groove.
［課題を解決するための手段］ 本発明の等速ジョイントは、円筒状で、内周に周方向
に間隔を隔てかつ交互に周方向反対側へ等角度傾斜して
軸方向に一側端より他端側に伸びる複数の第１案内溝を
もつ外方継手部材と、該外方継手部材の内側に同軸的に
配設され外周の前記各第１案内溝と対応する位置に前記
各第１案内溝に対して周方向反対側へ等角度傾斜して一
側端より他端側に伸びる複数の第２案内溝をもつ内方継
手部材と、前記第１及び第２案内溝間に転動可能に配設
されトルクを伝達する複数のボールと、該各ボールを保
持して前記内外方両継手部材の間に介装されたケージと
からなる等速ジョイントにおいて、前記第１及び第２案
内溝の少なくとも一方の案内溝は、その案内溝の溝中心
線に対して対称な部分に相当する溝中央部と、この溝中
央部の両側に位置しその案内溝の溝中心線に対して非対
称な部分に相当する前記溝中央部よりも溝の深い２つの
溝側端部とから構成されていることを特徴とするもので
ある。[Means for Solving the Problems] The constant velocity joint of the present invention is cylindrical, is circumferentially spaced at an interval in the circumferential direction and alternately inclined at an equal angle to the opposite side in the circumferential direction, and is axially shifted from one end in the axial direction. An outer joint member having a plurality of first guide grooves extending to the other end side; and the first joint grooves disposed coaxially inside the outer joint members and at positions corresponding to the first guide grooves on the outer periphery. An inner joint member having a plurality of second guide grooves extending from one side end to the other end side at an equal angle to the opposite side in the circumferential direction with respect to the guide groove, and rolling between the first and second guide grooves; The first and second guides are provided in a constant velocity joint comprising a plurality of balls which are arranged so as to transmit torque, and a cage which holds the balls and is interposed between the inner and outer joint members. At least one of the guide grooves has a groove central portion corresponding to a portion symmetrical with respect to the groove center line of the guide groove. And two groove side ends which are located on both sides of the groove central portion and which are asymmetrical with respect to the groove center line of the guide groove and which are deeper than the groove central portion. It is assumed that.
［作用］ 本発明に係る第１及び第２案内溝の少なくとも一方の
案内溝は、溝中心線に対して非対称の両溝側端部がそれ
らの間に位置する溝中央部より溝が深く形成されてい
る。これにより、案内溝を砥石により研磨加工する際
に、砥石は溝に対して片当たりすることがなく、もしく
は少ないので、溝側端部から接触圧の反力方向の変化に
よる影響を受けることなく砥石が進行できるため、溝中
央部の研磨加工を溝中心線に沿って正確に行うことが可
能となる。したがって、案内溝の高い加工精度を確保す
ることができるとともに、スムーズなボールのころがり
が可能となる。[Operation] At least one of the first and second guide grooves according to the present invention is formed such that both groove side ends asymmetrical with respect to the groove center line are deeper than the groove center portion located therebetween. Have been. With this, when the guide groove is polished with a grindstone, the grindstone does not hit against the groove or is small, so it is not affected by the change in the reaction force direction of the contact pressure from the groove side end. Since the grindstone can advance, it becomes possible to accurately perform the polishing at the center of the groove along the center line of the groove. Therefore, high processing accuracy of the guide groove can be ensured, and smooth rolling of the ball is possible.
［実施例］ 以下、本発明の実施例を図面に基づき説明する。[Example] Hereinafter, an example of the present invention will be described with reference to the drawings.
第１図に本実施例に係る等速ジョイントの断面図を示
す。本実施例の等速ジョイントは、第１溝側端部17及び
第１溝中央部19からなる第１案内溝15をもつ外方継手部
材１と、第２溝側端部26及び第２溝中央部28からなる第
２案内溝24とをもつ内方継手部材２と、第１及び第２案
内溝15、24間に転動可能に配設された複数のボール３
と、各ボール３を保持して外方継手部材１と内方継手部
材２との間に介装されたケージ４とを主要素として構成
されている。FIG. 1 shows a sectional view of a constant velocity joint according to the present embodiment. The constant velocity joint according to the present embodiment includes an outer joint member 1 having a first guide groove 15 including a first groove side end portion 17 and a first groove central portion 19, a second groove side end portion 26 and a second groove. An inner joint member having a second guide groove formed of a central portion, and a plurality of balls disposed rotatably between the first and second guide grooves;
And a cage 4 which holds each ball 3 and is interposed between the outer joint member 1 and the inner joint member 2 as main elements.
外方継手部材１は、第２図に示すように短い円筒状で
あり、その周縁部に形成された取付け孔11を介して一端
側に駆動軸（図示せず）の一端が同一軸的に連結固定さ
れる。外方継手部材１の内周面13は円筒状に形成されて
おり、この内周面13には、周方向に間隔を隔てかつ相互
に周方向反対側へ等角度傾斜して軸方向に一側端より他
側端に伸びる断面円弧状の６条の第１案内溝15が形成さ
れている。各第１案内溝15は、第２図及び第３図に示す
ように、溝中心線L1に対して非対称の両側端部分に相当
する溝の深い２つの第１溝側端部17と、これら第１溝側
端部17の間に位置し溝中心線L1に対して対称な部分に相
当する前記第１溝側端部17よりも溝の浅い第１溝中央部
19とから構成されている。第１溝側端部17の第１溝中央
部19と隣接する部分は、第３図に示すように断面がＲ状
に形成されており、これにより、第１溝側端部17と第１
溝中央部19とがわずかに段差状となっている。この第１
案内溝15はミーリング加工により形成されており、その
表面に焼入れ処理が施された後、ボール３の転動面であ
る第１溝中央部19にのみ研磨加工が施されている。As shown in FIG. 2, the outer joint member 1 has a short cylindrical shape, and one end of a drive shaft (not shown) is coaxially connected to one end through a mounting hole 11 formed in a peripheral portion thereof. Connected and fixed. The inner peripheral surface 13 of the outer joint member 1 is formed in a cylindrical shape. The inner peripheral surface 13 is spaced apart in the circumferential direction and is inclined at an equal angle to the opposite sides in the axial direction while being inclined in the axial direction. Six first guide grooves 15 having an arc-shaped cross section extending from the side end to the other side end are formed. Each first guide groove 15, as shown in FIGS. 2 and 3, the first groove end portions 17 with respect to the groove center line L 1 of the two deep grooves corresponding to both side end portion of the asymmetric, these positions were first groove center portion shallow groove than the first groove end portions 17 corresponding to the symmetrical parts with respect to the groove center line L 1 between the first groove end portions 17
It consists of 19. A portion of the first groove side end portion 17 adjacent to the first groove center portion 19 has an R-shaped cross section as shown in FIG. 3, whereby the first groove side end portion 17 and the first groove
The groove center part 19 is slightly stepped. This first
The guide groove 15 is formed by milling. After the surface of the guide groove 15 is quenched, only the center portion 19 of the first groove, which is the rolling surface of the ball 3, is polished.
内方継手部材２は、第４図に示すように、外方継手部
材１とほぼ同じ軸方向長さの短い円筒状である。この内
方継手部材２は、外方継手部材１の内側に間隔を隔てて
同軸状に配設されており、その内周に被動軸（図示せ
ず）の一端が嵌挿されて連結固定される。内方継手部材
２の外周面22は、外方継手部材１の内周面13と径方向に
一定のクリアランスを持った凸球面状に形成されてい
る。この外周面22の第１案内溝15と対応する位置には、
第１案内溝15に対して周方向反対側へ等角度傾斜し、一
側端より他側端に伸びる断面円弧状の第２案内溝24が形
成されている。この各第２案内溝24は、第４図及び第５
図に示すように、溝中心線L2に対して非対称の両側端部
分に相当する溝の深い２つの第２溝側端部26と、これら
第２溝側端部26の間に位置し、溝中心線L2に対して対称
な部分に相当する前記第２溝側端部26よりも溝の浅い第
２溝中央部28とから構成されている。第２溝側端部26の
第２溝中央部28と隣接する部分は、第１案内溝15と同様
に断面がＲ状に形成されている。この第２案内溝24はミ
ーリング加工により形成されており、その表面に焼入れ
処理が施された後、第２溝中央部28にのみ研磨加工が施
されている。As shown in FIG. 4, the inner joint member 2 has a short cylindrical shape having substantially the same axial length as the outer joint member 1. The inner joint member 2 is coaxially arranged at an interval inside the outer joint member 1, and one end of a driven shaft (not shown) is inserted and fitted and fixed to the inner periphery thereof. You. The outer peripheral surface 22 of the inner joint member 2 is formed in a convex spherical shape having a constant radial clearance with the inner peripheral surface 13 of the outer joint member 1. At a position corresponding to the first guide groove 15 on the outer peripheral surface 22,
A second guide groove 24 is formed, which is inclined at an equal angle to the opposite side in the circumferential direction with respect to the first guide groove 15 and has an arc-shaped cross section extending from one end to the other end. Each of the second guide grooves 24 is the same as that shown in FIGS.
As shown, the second groove end portions 26 of the two deep grooves corresponding to both side end portion of the asymmetric with respect to the groove center line L 2, located between the second groove end portions 26, and a second groove center portion 28. shallow groove than the second groove end 26 which corresponds to the symmetrical parts with respect to the groove center line L 2. A portion of the second groove side end portion 26 adjacent to the second groove central portion 28 has an R-shaped cross section, similarly to the first guide groove 15. The second guide groove 24 is formed by milling. After the surface of the second guide groove 24 is quenched, only the central portion 28 of the second groove is polished.
ボール３は、鋼鉄で真球形状に形成されており、各第
１案内溝15とこれに対応する各第２案内溝24との間にそ
れぞれ１個づつ転動可能に配設されている。The balls 3 are formed of steel in a true spherical shape, and are arranged so as to be able to roll one by one between each first guide groove 15 and each corresponding second guide groove 24.
ケージ４は、外方継手部材１の内周面13と符合する外
周面41、及び内方継手部材２の外周面22と符合する内周
面43を有する筒状のものである。このケージ４には、周
方向に沿って等角度間隔に６個のボール保持窓45が形成
されており、このボール保持窓45により各ボール３を保
持している。The cage 4 has a cylindrical shape having an outer peripheral surface 41 that matches the inner peripheral surface 13 of the outer joint member 1 and an inner peripheral surface 43 that matches the outer peripheral surface 22 of the inner joint member 2. Six ball holding windows 45 are formed in the cage 4 at equal angular intervals along the circumferential direction, and each ball 3 is held by the ball holding windows 45.
なお、以上のように構成された等速ジョイントは、駆
動軸が回転するとその回転トルクを外方継手部材１から
各ボール３を介して内方継手部材２に伝達し、被動軸が
駆動軸と等速で回転する。When the drive shaft rotates, the constant velocity joint configured as described above transmits the rotation torque from the outer joint member 1 to the inner joint member 2 via each ball 3, and the driven shaft is connected to the drive shaft. It rotates at a constant speed.
また、内外方両継手部材１、２間に軸方向への外力や
交差角度の変化する外力が作用したときには、各ボール
３がケージ４に規制されつつ第１及び第２案内溝15、24
に案内されて転動し、その相対変位や角度変化が許容さ
れる。When an external force in the axial direction or an external force having a changing intersection angle acts between the inner and outer joint members 1 and 2, each ball 3 is restricted by the cage 4 while the first and second guide grooves 15 and 24 are being controlled.
, And the relative displacement and angle change thereof are allowed.
以上のように本実施例の等速ジョイントでは、第１及
び第２案内溝15、24に研磨加工を施す際に、溝中心線に
対して非対称な第１及び第２溝側端部17、26に砥石が接
触することなく、第１及び第２溝中央部19、28のみを研
磨し、砥石が第１及び第２溝側端部17、26で片当たりに
よる反力を受けることがない、もしくは少ないので、第
１及び第２案内溝15、24の高い加工精度を確保すること
ができる。As described above, in the constant velocity joint of the present embodiment, when the first and second guide grooves 15 and 24 are polished, the first and second groove side end portions 17 that are asymmetric with respect to the groove center line. Only the center portions 19 and 28 of the first and second grooves are polished without the grinding stone coming into contact with 26, so that the grinding stone does not receive the reaction force due to the one-side contact at the first and second groove side ends 17 and 26. Or a small amount, it is possible to ensure high processing accuracy of the first and second guide grooves 15, 24.
また、第１及び第２案内溝15、24の第１及び第２溝側
端部17、26には研磨加工が施されないため、研磨時間の
短縮化、ドレスインターバルの延長化、砥石寿命の延長
化等が可能となる。Also, since the first and second groove-side end portions 17 and 26 of the first and second guide grooves 15 and 24 are not polished, the polishing time is shortened, the dress interval is extended, and the life of the grinding wheel is extended. And so on.
さらには、第１及び第２溝側端部17、26は深く形成さ
れているため、その分軽量化を図ることができる。Further, since the first and second groove side ends 17, 26 are formed deep, the weight can be reduced accordingly.
なお、上記実施例での第１及び第２溝側端部17、26
は、第１及び第２溝中央部19、28に隣接する部分が断面
Ｒ状に形成されたもであるが、第１及び第２溝中央部1
9、28よりも溝が深くなるものであれば任意の形状に形
成してもよい。例えば外方継手部材1aにあっては、第６
図に示すように、溝側端部17aと溝中央部19aとの間に段
部18aを設けたり、あるいは第７図に示すように、溝側
端部17bを溝中央部19b側から端部側に向かって次第に深
くなるような傾斜状に形成したり、又は軸方向の断面が
軸方向に直線状のものとＲ形状のものとを合わせもつよ
うにしたりすることができる。The first and second groove side ends 17, 26 in the above embodiment.
Is that the portion adjacent to the first and second groove central portions 19 and 28 is formed in an R-shaped cross section, but the first and second groove central portions 1
Any shape may be used as long as the groove is deeper than 9 and 28. For example, in the case of the outer joint member 1a, the sixth
As shown in the figure, a step portion 18a is provided between the groove side end portion 17a and the groove center portion 19a, or as shown in FIG. It may be formed so as to be gradually inclined toward the side, or may be formed so that the cross section in the axial direction has both the linear shape and the R shape in the axial direction.
上記実施例では、第１及び第２溝中央部19、28にのみ
研磨加工が施されているが、この第１及び第２溝中央部
19、28の各両端部との境の部分にあたる第１溝側端部17
と第２溝側端部26の一部分にまで研磨加工を施しても良
い。In the above embodiment, only the center portions 19 and 28 of the first and second grooves are polished, but the center portions of the first and second grooves are polished.
The first groove-side end portion 17 corresponding to the boundary between each end portion of 19 and 28
And a part of the second groove side end 26 may be polished.
また、上記実施例では、第１及び第２案内溝15、24の
両方に第１及び第２溝側端部17、26を形成した最も好ま
しい例を説明したが、第１及び第２案内溝15、24のいず
れか一方に溝側端部を形成した場合でも同様の効果が得
られる。Further, in the above embodiment, the most preferable example in which the first and second groove side ends 17, 26 are formed in both the first and second guide grooves 15, 24 has been described, but the first and second guide grooves are provided. The same effect can be obtained even when the groove-side end is formed in one of 15 and 24.
［発明の効果］ 本発明の等速ジョイントによれば、第１及び第２案内
溝の少なくとも一方の各案内溝は、その案内溝の両側端
部であって溝中心線に対して非対称の部分に相当し、ボ
ールの転動面であり研磨加工される溝中央部よりも溝の
深い２つの溝側端部を有するため、案内溝を形成する際
に砥石が溝に対してずれることはないので、高い加工精
度を確保することができ、スムーズなボールのころがり
が可能となる。[Effect of the Invention] According to the constant velocity joint of the present invention, at least one of the first and second guide grooves is an asymmetrical portion with respect to the groove center line at both ends of the guide groove. And has two groove-side ends that are deeper than the center of the groove to be polished and are the rolling surface of the ball, so that the whetstone does not shift with respect to the groove when forming the guide groove. Therefore, high processing accuracy can be ensured, and smooth rolling of the ball is possible.
第１図〜第７図は本発明の実施例に係り、第１図は等速
ジョイント全体の断面図、第２図は外方継手部材の断面
図、第３図は第２図のIII−III線断面図、第４図は内方
継手部材の側面図、第５図は第４図のＶ−Ｖ線断面図、
第６図及び第７図は溝側端部の変形例を示す外方継手部
材の断面図である。第８図〜第10図は従来の等速ジョイ
ントに係り、第８図は等速ジョイント全体の断面図、第
９図は外方継手部材の断面図、第10図は内方継手部材の
側面図である。 １……外方継手部材、２……内方継手部材 ３……ボール、４……ケージ 15……第１案内溝、17……第１溝側端部 19……第１溝中央部、24……第２案内溝 26……第２溝側端部、28……第２溝中央部1 to 7 relate to an embodiment of the present invention, FIG. 1 is a sectional view of the entire constant velocity joint, FIG. 2 is a sectional view of an outer joint member, and FIG. III line sectional view, FIG. 4 is a side view of the inner joint member, FIG. 5 is a VV line sectional view of FIG.
6 and 7 are cross-sectional views of an outer joint member showing a modification of the groove side end. 8 to 10 relate to a conventional constant velocity joint, FIG. 8 is a sectional view of the entire constant velocity joint, FIG. 9 is a sectional view of an outer joint member, and FIG. 10 is a side view of an inner joint member. FIG. DESCRIPTION OF SYMBOLS 1 ... Outer joint member 2 ... Inner joint member 3 ... Ball 4 ... Cage 15 ... 1st guide groove, 17 ... 1st groove side end part 19 ... 1st groove center part, 24: second guide groove 26: end of second groove side, 28: center of second groove
───────────────────────────────────────────────────── フロントページの続き (72)発明者 鈴木 節二 愛知県刈谷市朝日町１丁目１番地 豊田 工機株式会社内 (72)発明者 宇野 吉人 愛知県刈谷市朝日町１丁目１番地 豊田 工機株式会社内 (56)参考文献 特開 昭55−76219（ＪＰ，Ａ) 特開 昭61−56238（ＪＰ，Ａ) 特開 平３−292418（ＪＰ，Ａ) 特開 昭61−116125（ＪＰ，Ａ) 実開 昭51−39149（ＪＰ，Ｕ) 特公 昭57−1685（ＪＰ，Ｂ２) 特公 昭52−20625（ＪＰ，Ｂ２) (58)調査した分野(Int.Cl.6，ＤＢ名) F16D 3/20 - 3/229 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Soji Suzuki 1-1-1 Asahi-cho, Kariya-shi, Aichi Prefecture Inside Toyota Koki Co., Ltd. (72) Inventor Yoshito Uno 1-1-1 Asahi-cho, Kariya-shi, Aichi Toyota Koki Co., Ltd. (56) References JP-A-55-76219 (JP, A) JP-A-61-56238 (JP, A) JP-A-3-292418 (JP, A) JP-A-61-116125 (JP JP, A) Japanese Utility Model Showa 51-39149 (JP, U) Japanese Patent Publication No. 57-1685 (JP, B2) Japanese Patent Publication No. 52-20625 (JP, B2) (58) Fields surveyed (Int. Cl. 6 , (DB name) F16D 3/20-3/229
Claims (1)
交互に周方向反対側へ等角度傾斜して軸方向に一側端よ
り他端側に伸びる複数の第１案内溝をもつ外方継手部材
と、該外方継手部材の内側に同軸的に配設され外周の前
記各第１案内溝と対応する位置に前記各第１案内溝に対
して周方向反対側へ等角度傾斜して一側端より他端側に
伸びる複数の第２案内溝をもつ内方継手部材と、前記第
１及び第２案内溝間に転動可能に配設されトルクを伝達
する複数のボールと、該各ボールを保持して前記内外方
両継手部材の間に介装されたケージとからなる等速ジョ
イントにおいて、 前記第１及び第２案内溝の少なくとも一方の案内溝は、
その案内溝の溝中心線に対して対称な部分に相当する溝
中央部と、この溝中央部の両側に位置しその案内溝の溝
中心線に対して非対称な部分に相当する前記溝中央部よ
りも溝の深い２つの溝側端部とから構成されていること
を特徴とする等速ジョイント。1. A plurality of first guide grooves having a cylindrical shape and having an inner periphery circumferentially spaced apart in the circumferential direction and alternately inclined at an equal angle to the opposite side in the circumferential direction and extending in the axial direction from one end to the other end. An outer joint member having the outer joint member, and an equiangularly disposed on the inner side of the outer joint member at a position corresponding to the first guide grooves on the outer periphery and opposite to the first guide grooves in a circumferential direction. An inner joint member having a plurality of second guide grooves that extend from one side end to the other end side, and a plurality of balls that are rotatably disposed between the first and second guide grooves and transmit torque; And a cage holding the respective balls and interposed between the inner and outer joint members, wherein at least one of the first and second guide grooves is
A groove central portion corresponding to a portion symmetrical with respect to the groove center line of the guide groove, and the groove central portion located on both sides of the groove central portion and corresponding to a portion asymmetric with respect to the groove center line of the guide groove; A constant velocity joint comprising two groove side ends having a deeper groove.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2173957A JP2909156B2 (en) | 1990-06-29 | 1990-06-29 | Constant velocity joint |
| DE91109891T DE69100300T2 (en) | 1990-06-29 | 1991-06-17 | Homokinetic clutch with crossed grooves. |
| EP91109891A EP0463531B1 (en) | 1990-06-29 | 1991-06-17 | Constant velocity joint having cross grooves |
| US07/721,835 US5186687A (en) | 1990-06-29 | 1991-06-26 | Constant velocity joint having cross grooves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2173957A JP2909156B2 (en) | 1990-06-29 | 1990-06-29 | Constant velocity joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0464717A JPH0464717A (en) | 1992-02-28 |
| JP2909156B2 true JP2909156B2 (en) | 1999-06-23 |
Family
ID=15970189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2173957A Expired - Fee Related JP2909156B2 (en) | 1990-06-29 | 1990-06-29 | Constant velocity joint |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5186687A (en) |
| EP (1) | EP0463531B1 (en) |
| JP (1) | JP2909156B2 (en) |
| DE (1) | DE69100300T2 (en) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5569089A (en) * | 1993-10-28 | 1996-10-29 | Signorelli; Richard L. | Universal joint construction |
| DE4408371C1 (en) * | 1994-03-12 | 1995-03-30 | Gkn Automotive Ag | Outer part of a joint, said part being manufactured as a sheet-metal formed part |
| DE19507859C2 (en) * | 1995-03-08 | 1998-04-16 | Loehr & Bromkamp Gmbh | VL design constant velocity swivel with curved path |
| JPH09158956A (en) * | 1995-12-05 | 1997-06-17 | Toyota Motor Corp | Shaft assembly |
| JPH0970466A (en) * | 1995-09-06 | 1997-03-18 | Nippon Oribetsutei Kk | Bowling device with simulation game function |
| JP2791297B2 (en) * | 1995-09-25 | 1998-08-27 | 日本オリベッティ株式会社 | Automatic bowling score device |
| JPH09108400A (en) * | 1995-10-19 | 1997-04-28 | Nippon Oribetsutei Kk | Automatic bowling score-console |
| JP2899790B2 (en) * | 1995-11-07 | 1999-06-02 | 寛 船木 | An auto scorer that determines the outcome of each bowling frame |
| JP2801572B2 (en) * | 1995-11-20 | 1998-09-21 | 株式会社テレシステムズ | Automatic bowling score device and bowling alley management system |
| GB2312944B (en) * | 1996-05-03 | 1999-09-08 | Delphi France Automotive Sys | Constant velocity joint |
| JPH10184718A (en) * | 1996-12-27 | 1998-07-14 | Ntn Corp | Cross group type uniform universal joint |
| DE19837471A1 (en) * | 1998-08-19 | 2000-02-24 | Gkn Sinter Metals Gmbh | New procedure for production of joint elements for joint shaft assembly, including manufacturing of corresponding halves which can be joined by means of various methods |
| DE19911113C1 (en) | 1999-03-12 | 2001-01-11 | Gkn Loebro Gmbh | Arrangement with a constant velocity joint and a receiving part |
| US20030236122A1 (en) * | 2002-06-24 | 2003-12-25 | Gkn Automotive, Inc. | Propeller shaft assembly |
| US7347786B2 (en) * | 2003-12-08 | 2008-03-25 | Delphi Technologies, Inc. | Cross-straight groove joint |
| JP2007064263A (en) * | 2005-08-29 | 2007-03-15 | Ntn Corp | Constant velocity universal joint |
| JP4732076B2 (en) * | 2005-09-01 | 2011-07-27 | 東京計器株式会社 | Home separation measuring method and apparatus |
| JP4825520B2 (en) * | 2006-01-10 | 2011-11-30 | 東京計器株式会社 | Measuring instrument for measuring height and separation of platform and measuring method thereof |
| EP2572116B1 (en) * | 2010-05-21 | 2014-10-01 | MAPAL Fabrik für Präzisionswerkzeuge Dr. Kress KG | Method for producing an outer part blank and an inner part blank of an articulated shaft, and articulated shaft |
| JP6911327B2 (en) * | 2016-10-28 | 2021-07-28 | 株式会社ジェイテクト | Constant velocity joint |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1360767A (en) * | 1963-03-29 | 1964-05-15 | Loehr & Bromkamp Gmbh | Synchronized displacement joint |
| CA854936A (en) * | 1967-05-30 | 1970-11-03 | P. Croset Louis | Universal joints |
| US3475924A (en) * | 1968-08-01 | 1969-11-04 | Loehr & Bromkamp Gmbh | Universal joint |
| US3613397A (en) * | 1969-02-07 | 1971-10-19 | Nippon Seiko Kk | Constant-velocity universal joint |
| GB1389903A (en) * | 1971-06-26 | 1975-04-09 | Bellomo A | Homokinetic joint |
| JPS6039897B2 (en) * | 1978-12-04 | 1985-09-07 | エヌ・テ−・エヌ東洋ベアリング株式会社 | Constant velocity joint |
| ATE12819T1 (en) * | 1980-10-03 | 1985-05-15 | Spicer Hardy Ltd | HOMOKINETIC UNIVERSAL JOINT. |
-
1990
- 1990-06-29 JP JP2173957A patent/JP2909156B2/en not_active Expired - Fee Related
-
1991
- 1991-06-17 EP EP91109891A patent/EP0463531B1/en not_active Expired - Lifetime
- 1991-06-17 DE DE91109891T patent/DE69100300T2/en not_active Expired - Lifetime
- 1991-06-26 US US07/721,835 patent/US5186687A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE69100300T2 (en) | 1994-04-28 |
| EP0463531A1 (en) | 1992-01-02 |
| JPH0464717A (en) | 1992-02-28 |
| EP0463531B1 (en) | 1993-08-25 |
| DE69100300D1 (en) | 1993-09-30 |
| US5186687A (en) | 1993-02-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2909156B2 (en) | Constant velocity joint | |
| JP3859295B2 (en) | Sliding type constant velocity universal joint | |
| JP4543928B2 (en) | Manufacturing method of wheel bearing unit | |
| CN102639270A (en) | Method of machining sealing surface | |
| EP1505308A1 (en) | Constant velocity universal joint | |
| JPH11201151A (en) | Tapered roller bearing | |
| JP2008240825A (en) | Machining method, trunnion and tripod type constant velocity universal joint | |
| JP5549218B2 (en) | Method of manufacturing inner ring in wheel bearing device | |
| JP3849404B2 (en) | Loading cam plate for toroidal type continuously variable transmission | |
| US4837985A (en) | Revolving grinding tool | |
| JPH04211726A (en) | Uniform joint device | |
| JP2957121B2 (en) | Constant velocity joint | |
| JP2001227610A (en) | Disc for troidal type continuously variable transmission and machining method therefor | |
| JP4064440B1 (en) | Manufacturing method of wheel bearing device | |
| JP3851094B2 (en) | Toroidal-type continuously variable transmission and processing method of roller used therefor | |
| JP4662304B2 (en) | Toroidal continuously variable transmission | |
| JP2008062336A (en) | Manufacturing method of wheel bearing device | |
| JPH0452509Y2 (en) | ||
| JP3674723B2 (en) | Planetary roller type power transmission device | |
| JPH11336783A (en) | Universal uniform coupling | |
| JP2009243603A (en) | Continuously variable transmission | |
| JP2024047154A (en) | Method for manufacturing a tapered roller bearing unit for supporting a wheel | |
| JP2000046062A (en) | Tripod constant velocity universal joint and roller for it | |
| JPH0452508Y2 (en) | ||
| JPH04151020A (en) | Constant velocity joint |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
| R371 | Transfer withdrawn |
Free format text: JAPANESE INTERMEDIATE CODE: R371 |
|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| LAPS | Cancellation because of no payment of annual fees |